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Life & fun · March 10, 2020

CM

Crescendo – macOS App to view real time event data

Crescendo – macOS App to view real time event data launched on March 10, 2020 with 164 votes, #155 of 4,417 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 6 years on.

Visit segphault.io ↗Alternativestop 4% of March 2020

In plain words

Crescendo is a macOS application that displays real-time event data. Launched in 2020, it serves users who need to monitor live information streams on their Apple computers. The app provides a way to visualize and track events as they happen, making it useful for anyone working with time-sensitive data or requiring continuous monitoring capabilities on macOS.

written from the facts on this page · September 2026

From the sources

Prior to 2017, researchers couldn’t easily monitor actions performed by a process on macOS and had to resort to coding scripts that produced low level system call data. FireEye released Monitor.app in 2017 that enabled collection of information on macOS at a higher level; at a simplified data set versus something like Dtrace . I created many versions of Monitor.app over the years and have received very positive feedback from users. Recently though, users have noticed it doesn’t work on macOS Catalina (10.15)… Originally, a kernel extension was required to provide the inspection capabilities offered by Monitor.app. Unfortunately, kernel extensions are running in privileged mode…from segphault.io

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